zero phase current transformers400+ factories verified

TIANJIN CAREL TECH Co., Ltd is a professional ISO9001 certified manufacturer of electric and electronic transformers, current transformers, Voltage transformers, power adaptors, toroidal transformers, IP67 waterproof transformers, inductors in China which was Established in 2013. We have three factories and each factory has it's own strength either in price, quality or certifications to keep us competitive in each field meanwhile We are dedicated ourselves to provide the world most energy efficient products. Recently We developed ETL approved landscaping power supplies for US and Canadian markets, The power rating of these power supplies including 120VA, 200VA, 300VA and 600VA.

Shenheng Power Equipment Co., Ltd is a company specializing in the production of high and low voltage switch power transmission and distribution equipment and high, low voltage electrical components, one of the professional production enterprises, the production of all fully insulated and fully sealed inflatable cabinet, intelligent solid insulation ring main unit, outdoor high voltage cable branch box, box-type substation, etc. Product quality is stable, reliable, It is deeply trusted and approved by the customers.

Hubei Tianrui Electronic Co., Ltd. Was founded in 1998, is a collection of scientific research, production, sales and service in one of the high-tech power electronics components. Focusing on the development of "Relay Protection and Power Automation", the company continues to provide complete sets of precision transformer solutions for domestic power equipment manufacturers, and is a well-known manufacturer of relay protection relays and a leader in the industry.

Zhejiang DaHu Electric Co., Ltd. Introduction

Lugao Power Co., Ltd. Founded in 2009, which is an international high-tech enterprise specializing in the R&D, production, and sales of high-voltage, medium-voltage and low-voltage transmission and distribution equipment, along with providing one-stop solution for global power infrastructure projects. With decades of pioneering innovation, Lugao continuously enhances its capabilities by integrating cutting-edge production technologies supported by rigorous quality control systems.

Zhejiang Xianghu Technology Co., Ltd. is a professional manufacturer of high and low voltage switch transmission and distribution equipment and high and low voltage electrical components, the production of fully insulated fully sealed inflatable cabinets, intelligent solid insulated ring host units, outdoor high voltage cable branch box, box-type substation, etc Product quality is stable, reliable, It is deeply trusted and approved by the customers. Our proudly exports its high-quality productsto a myriad of global destinations, with a significant presence in diverse and dynamic countries such as Ghana, Gambia, Ethiopia, the Philippines, South Korea, Bangladesh, Australia, Pakistan, Azerbaijan, Myanmar, and beyond. Our 11kV Current Transformer with 50Hz Frequency for Indoor Use has consistently garnered rave reviews for its impeccable quality and outstanding performance. Our dedicated team excels in crafting the most cost-effective and innovative power solutions, tailored precisely for our clients' needs. We actively contribute to the design of sophisticated substation and distribution plans and engage in competitive overseas bidding. We have triumphantly addressed and resolved intricate product requirements, ensuring our clients' utmost satisfaction.

Denggao Electric Co., Ltd. Established in 1996, is a power transmission and distribution enterprise with collection of high and low voltage electrical R&D, manufacturing, trading and services. The head office is located in the Economic Development Zone, Yueqing city, Zhejiang province. We are specialized in (intelligent) high-voltage vacuum circuit breaker, disconnecting switches, drop-out fuse cutout, intelligent HV&LV prepaid sell electrical terminal, intelligent distribution terminal, (prepaid) high-voltage electrical metering outfit, instrument transformer(CT, PT), lightning arrester, composite insulator, HV&LV complete switchgear, building electrical etc.

Established in 1988, We specialize in manufacturing switching power supply, current transformer, voltage transformer, fuse and isolation switch. Donghua provides you a variety of high quality switching power supply, Transformer, fuse, isolation switch And professional product solution.

Beijing GFUVE Electronics Co., Ltd. Was established in 2005. It combined science, industry and trade together as one high-tech enterprise. GFUVE mainly produces split core current transformer, high voltage ammeter recorder, IEC61850 test suite software, meter test equipment, current probe, reference standard meter, phantom load power source, electrical measurement instrument, relay test set, transformer test, CT analyzer, Test equipment, and power meter, power analyzer, intelligent digital meter, transducer, handheld terminal and split core current transformer, voltage transformer and current transformer models etc.

1. Who we are

As a wholly-owned subsidiary of Longxi Electric Co., Ltd., Wenzhou Longqi Import and Export Co., Ltd. Focuses on the global new energy and infrastructure sectors, acting as a professional international trade service provider integrating new energy power systems, water conservancy systems and new energy lighting systems. Relying on the decades-long technical accumulation and production strength of its parent company Longxi Electric, we are committed to building an efficient bridge between China's intelligent manufacturing and the global market, providing overseas customers with full-chain services from product solutions to performance and delivery.

Zhejiang Yipu Electric Co., Ltd. Stands as a distinguished leader in the manufacturing of 0.5kV to 35kV current and voltage transformers.

Qingdao Xinnuo Metrology Technology Co., Ltd. is located at Building 19, Tiangu Industrial Park, No. 599 Runcheng Road, Chengyang District, Qingdao, Shandong Province, China.

Huazhong Industrial Control Intelligent Equipment Co., Ltd. is a high-tech enterprise specializing in the field of process automation. The company is equipped with an industry-leading flowmeter calibration system, a 16000 square meter intelligent production base, a 2500 square meter research and development laboratory, and 4 world-class SMT surface mount lines. The annual production capacity can reach 400000 sets of transmitters, 200000 sets of flow meters, 100000 sets of level measurement equipment, and 500000 sets of isolation module instruments. We have a professional team of over 300 people, providing process automation solutions for over 200000 enterprises in industries such as water and sewage, energy and power, chemical, life sciences, food and beverage, etc. We also offer digital services to small and medium-sized enterprises through our instrument cloud platform.

Huaibei Huadian Automation Technology Co., Ltd., Founded in 2015, we have built a reputation for excellence, innovation, and an unwavering commitment to our clients' success located in the China. Instrument Industry Belt, has established a 30000 square meter intelligent factory with dozens of production lines and an annual production capacity of over one million units. Water quality analysis instruments, recorders, pressure transmitters, signal isolators and other field instruments. We are the biggest manufacturer of industrial process automation sensors and instruments in China. Our instruments are exported to 119 countries worldwide. As a supplier to Fortune 500 companies such as Siemens, ABB, LUKOIL, WEG Group, Coca Cola, etc.,  Our Core Offerings: We specialize in a comprehensive suite of solutions designed to meet the evolving demands of the modern market. We have long been committed to providing accurate, safe, and stable instruments, and can provide OEM services with a customer-centric approach. We are already working extensively in the oil and gas, water and wastewater, chemical and petrochemical industries in more than120 countries and will take further efforts to get closer to customers and respond to their needs quickly and efficiently. We are also actively recruiting channel partners from various regions to expand our business and provide localized services, creating more value for our customers! Headquartered in Hefei China, our global reach extends to 120 countries, serving a growing international clients. We are constantly looking toward the future, investing in research and development to anticipate market trends and deliver the next generation of solutions. We can make sure our the quality of our products always be good and stable. We are very glad to offer you our products, and Hope to get the long-term cooperation with you.  

Baoding Sihedan Electric Technology Co., Ltd. is a professional manufacturer of power systems and transmission and distribution line materials, providing diverse solutions for the global energy sector.

Tuoling Electric Co., Ltd. is a professional manufacturer specializing in the production of high and low voltage switchgear, power transmission and distribution equipment, as well as high and low voltage electrical components. It is one of the leading manufacturers, producing products such as fully insulated and sealed gas-filled cabinets, intelligent solid insulation ring main units, outdoor high voltage cable branch boxes, and box-type substations. The products are stable and reliable in quality, and are highly trusted and recognized by customers.

Tengtai brand operator TengTai International Co., Ltd. Was founded in 1984. After 30 years of market development and development, it has become a large-scale modern private electrical appliance enterprise integrating manufacturing, scientific research, trade and service. It has three major holding subsidiaries. (Zhejiang Tengtai Electric Co., Ltd., Warwick Transformer Factory, Zhejiang Tengtai Import & Export Co., Ltd. ), a Sino-foreign joint venture company; 58 member companies, more than 600 cooperative units. The products are mainly involved in surge protectors, high and low voltage transformers, zero sequence transformers, reactors and so on. The company's brand of lightning protection products and transformers have hundreds of agents and huge sales outlets in various provinces across the country.

Zhejiang Guangbian Electric Power Technology Co., Ltd, a company dedicated to providing reliable power supply equipment for townships, towns, communities, hospitals, and schools worldwide.

Zhejiang Jinpan Transformer Co., Ltd. - Your Trusted Partner in Power T&D

Jiaxing Haihan Electronic Co., Ltd was established in 2011, We are a professional in designing and manufacturing electricity energy meter accessory and hotel supply.

SHENGSU ELECTRIC Co., Ltd, located in

Yueqing Aukeman Electronic Co., Ltd founded in 2010 and invested in Yueqing CHTCC Technology Co., Ltd in this year, As a technology research and development base. Company specializes in the production and export of voltage relay, time relay and motor protector, provide OEM ODM services, The company has 3 R&D engineers from China Chint Group with 25 years of industry experience and has a number of design patents.

Yueqing Wortai Electric Co., Ltd. (WORTAI) is a Chinese company, specialized in manufacturing and sales of industrial electrical equipments and accessories.

Yueqing Liyond Electric Co., Ltd. Was established in 2011, with its headquarters located in Yueqing, Zhejiang Province - known as the "Capital of Electrical Equipment" in China. To continuously expand our business scale, the company established Hangzhou Liyond Electric Co., Ltd. In 2024 as a branch to further extend our business footprint. As a professional enterprise specializing in the research, development, and production of medium and high voltage switchgear and components, we have been deeply engaged in the power transmission and distribution field for over 15 years, committed to providing customers with high-quality products and services.

Tongbian Electric successively established collaborative platforms with the Shenyang Transformer Research Institute, Germany's PC Company, Shanghai Huaming Switchgear Factory, Kunming University of Science and Technology, Siemens China, and WISCO (Wuhan Iron and Steel Corporation), driving technological advancement, modernizing traditional processes, and elevating manufacturing standards. Through independent R&D of new energy products, it gradually evolved into a high-tech enterprise integrating research, production, sales, installation, and technical consulting services for power transmission and distribution equipment.

As the leader and professional designer and manufacturer of current transformers. ECHUN has large range CTs to meet the market, including split core current transformers, clamp on current transformers, solid core current transformers, potential transformers, zero-phase current transformers, hall current sensors, current transformers with DC-immune, transducers, rogowski coils and so on

HANGZHOU UDWELLS TECHNOLOGY CO. Ltd. was founded in 2008, self-built plant area of more than 15000 square meters, strong scientific and technological force, advanced, production equipment, complete testing facilities, reliable product quality. With the business philosophy of "pursuing excellence, become Intelligent company of Continuous innovation", we are constantly innovating and developing at a high speed. In Our company Quality is our core competence. With deep understanding of properties of the respective of raw materials, all raw materials of products are supplied with the material number, per lot of the production can be traced, ISO 9001/2015, CE, TUV, UL, RoHS, REACH also available for every of our customers. This makes our market competitiveness rapidly increase, and more and more high quality customers choose and trust us. We mainly produce electronic equipment such as transformers, LED drive power supplies and intelligent charging plug. Which are mainly used for household appliances, communication equipment, energy-saving lamps, automation control devices (such as inverters), power equipment and facilities. Our products are exported to Europe, the United States and Southeast Asia.

Sansion Power Electric Co., Ltd was established in 2005, a technocrat who have rich experience of more than 10 years in R&D, manufacturing and marketing of power electrical testing products, which are widely used in the fields of power electric, railroad, energy conservation and environment protection, water conservancy, petrochemical industry, aerospace and etc.

Tianjin Pinggao (a subsidiary of China Electrical Equipment Group) operates three digitalized modern workshops with 29 fully automated production lines and 781 sets of processing equipment.